A gas fireplace thermocouple is a safety device that measures heat and recognizes if a pilot light has gone out shutting down the fuel supply such as gas or propane.
Gas fireplace thermopile replacement.
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You should test it first.
The pilot lights ok and stays on but.
This entry was posted in diy and tagged diy gas fireplace gas valve pilot light thermocouple thermopile won t light on october 21 2012 by steve jenkins updated 2117 days ago disclaimer as with all my diy posts anything you decide to do as a result of reading this post you do so at your own risk.
If it s faulty unscrew one end from the gas valve unsnap the probe from the clip holding it near the pilot and pull out the assembly.
If the pilot won t stay lit on your gas fireplace it s probably time to replace the thermocouple.
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Replace it with an identical one.
I have a heat n glo vented gas fireplace.
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Replacing the thermocouple is quick and something you can easily do yourself.